23120216758031 has 4 divisors (see below), whose sum is σ = 23288977464432. Its totient is φ = 22951456051632.

The previous prime is 23120216758021. The next prime is 23120216758043. The reversal of 23120216758031 is 13085761202132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23120216758031 - 2³⁸ = 22845338851087 is a prime.

It is a super-2 number, since 2×23120216758031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23120216758031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120216758021) 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, 84380352995 + ... + 84380353268.

It is an arithmetic number, because the mean of its divisors is an integer number (5822244366108).

Almost surely, 2^{23120216758031} is an apocalyptic number.

23120216758031 is a deficient number, since it is larger than the sum of its proper divisors (168760706401).

23120216758031 is a wasteful number, since it uses less digits than its factorization.

23120216758031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168760706400.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 23120216758031 in words is "twenty-three trillion, one hundred twenty billion, two hundred sixteen million, seven hundred fifty-eight thousand, thirty-one".