23451121110 has 16 divisors (see below), whose sum is σ = 56282690736. Its totient is φ = 6253632288.

The previous prime is 23451121097. The next prime is 23451121117. The reversal of 23451121110 is 1112115432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451121117) 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, 390851989 + ... + 390852048.

It is an arithmetic number, because the mean of its divisors is an integer number (3517668171).

Almost surely, 2^23451121110 is an apocalyptic number.

23451121110 is an abundant number, since it is smaller than the sum of its proper divisors (32831569626).

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

23451121110 is a wasteful number, since it uses less digits than its factorization.

23451121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781704047.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 23451121110 its reverse (1112115432), we get a palindrome (24563236542).

The spelling of 23451121110 in words is "twenty-three billion, four hundred fifty-one million, one hundred twenty-one thousand, one hundred ten".