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23401005422123 = 725319949451691
BaseRepresentation
bin1010101001000011110001…
…00111011001011000101011
310001212010002022011212222002
411110201320213121120223
511031400224342001443
6121434135023321215
74633444505102600
oct524417047313053
9101763068155862
1023401005422123
11750234655268a
12275b33145020b
13100992283a0b4
145ac886a766a7
152a8aa93c62b8
hex1548789d962b

23401005422123 has 24 divisors (see below), whose sum is σ = 27736644121200. Its totient is φ = 19678521670080.

The previous prime is 23401005422107. The next prime is 23401005422159. The reversal of 23401005422123 is 32122450010432.

It is not a de Polignac number, because 23401005422123 - 24 = 23401005422107 is a prime.

It is a super-4 number, since 4×234010054221234 (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (23401005422923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51581708 + ... + 52033398.

It is an arithmetic number, because the mean of its divisors is an integer number (1155693505050).

Almost surely, 223401005422123 is an apocalyptic number.

23401005422123 is a deficient number, since it is larger than the sum of its proper divisors (4335638699077).

23401005422123 is a wasteful number, since it uses less digits than its factorization.

23401005422123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471707 (or 471700 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23401005422123 its reverse (32122450010432), we get a palindrome (55523455432555).

The spelling of 23401005422123 in words is "twenty-three trillion, four hundred one billion, five million, four hundred twenty-two thousand, one hundred twenty-three".

Divisors: 1 7 49 53 371 2597 19949 139643 451691 977501 1057297 3161837 7401079 22132859 23939623 51807553 167577361 1173041527 9010783759 63075486313 441528404191 477571539227 3343000774589 23401005422123