23012555442 has 8 divisors (see below), whose sum is σ = 46025110896. Its totient is φ = 7670851812.

The previous prime is 23012555437. The next prime is 23012555443. The reversal of 23012555442 is 24455521032.

It is a happy number.

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

23012555442 is an admirable number.

It is a super-2 number, since 2×23012555442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23012555443) 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, 1917712948 + ... + 1917712959.

It is an arithmetic number, because the mean of its divisors is an integer number (5753138862).

Almost surely, 2^23012555442 is an apocalyptic number.

23012555442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23012555442 is a wasteful number, since it uses less digits than its factorization.

23012555442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835425912.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 23012555442 in words is "twenty-three billion, twelve million, five hundred fifty-five thousand, four hundred forty-two".