23201331123 has 8 divisors (see below), whose sum is σ = 31032696528. Its totient is φ = 15418759904.

The previous prime is 23201331113. The next prime is 23201331173. The reversal of 23201331123 is 32113310232.

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 23201331123 - 2⁶ = 23201331059 is a prime.

It is a super-2 number, since 2×23201331123² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23201331123.

It is not an unprimeable number, because it can be changed into a prime (23201331113) 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, 12197436 + ... + 12199337.

It is an arithmetic number, because the mean of its divisors is an integer number (3879087066).

Almost surely, 2^23201331123 is an apocalyptic number.

23201331123 is a deficient number, since it is larger than the sum of its proper divisors (7831365405).

23201331123 is a wasteful number, since it uses less digits than its factorization.

23201331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24397093.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23201331123 its reverse (32113310232), we get a palindrome (55314641355).

The spelling of 23201331123 in words is "twenty-three billion, two hundred one million, three hundred thirty-one thousand, one hundred twenty-three".