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23123401 = 73303343
BaseRepresentation
bin101100000110…
…1010111001001
31121111210100021
41120031113021
521404422101
62143340441
7400355110
oct130152711
947453307
1023123401
1112063a54
1278b1721
134a37cb2
1430dcc77
15206b5a1
hex160d5c9

23123401 has 4 divisors (see below), whose sum is σ = 26426752. Its totient is φ = 19820052.

The previous prime is 23123393. The next prime is 23123461. The reversal of 23123401 is 10432132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23123401 - 23 = 23123393 is a prime.

It is a pancake number, because a pancake can be divided into 23123401 parts by 6800 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651665 + ... + 1651678.

It is an arithmetic number, because the mean of its divisors is an integer number (6606688).

Almost surely, 223123401 is an apocalyptic number.

It is an amenable number.

23123401 is a deficient number, since it is larger than the sum of its proper divisors (3303351).

23123401 is an equidigital number, since it uses as much as digits as its factorization.

23123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303350.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23123401 is about 4808.6797564404. The cubic root of 23123401 is about 284.8943940318.

Adding to 23123401 its reverse (10432132), we get a palindrome (33555533).

It can be divided in two parts, 231 and 23401, that added together give a palindrome (23632).

The spelling of 23123401 in words is "twenty-three million, one hundred twenty-three thousand, four hundred one".

Divisors: 1 7 3303343 23123401