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23001225023 = 721467153067
BaseRepresentation
bin10101011010111110…
…101101011100111111
32012100222212022000002
4111122332231130333
5334101303200043
614322220024515
71442664121040
oct253276553477
965328768002
1023001225023
119833656887
12455b09213b
1322273ca92a
141182b2a8c7
158e94a2bb8
hex55afad73f

23001225023 has 8 divisors (see below), whose sum is σ = 26288510592. Its totient is φ = 19714288536.

The previous prime is 23001224963. The next prime is 23001225041. The reversal of 23001225023 is 32052210032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23001225023 - 212 = 23001220927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001224986 and 23001225004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001255023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73736 + ... + 226802.

It is an arithmetic number, because the mean of its divisors is an integer number (3286063824).

Almost surely, 223001225023 is an apocalyptic number.

23001225023 is a deficient number, since it is larger than the sum of its proper divisors (3287285569).

23001225023 is a wasteful number, since it uses less digits than its factorization.

23001225023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174541.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 23001225023 its reverse (32052210032), we get a palindrome (55053435055).

The spelling of 23001225023 in words is "twenty-three billion, one million, two hundred twenty-five thousand, twenty-three".

Divisors: 1 7 21467 150269 153067 1071469 3285889289 23001225023