23109777154 has 16 divisors (see below), whose sum is σ = 35654632992. Its totient is φ = 11227684608.

The previous prime is 23109777151. The next prime is 23109777161. The reversal of 23109777154 is 45177790132.

It is not an unprimeable number, because it can be changed into a prime (23109777151) 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, 679564 + ... + 712759.

It is an arithmetic number, because the mean of its divisors is an integer number (2228414562).

Almost surely, 2^23109777154 is an apocalyptic number.

23109777154 is a deficient number, since it is larger than the sum of its proper divisors (12544855838).

23109777154 is a wasteful number, since it uses less digits than its factorization.

23109777154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392561.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 23109777154 in words is "twenty-three billion, one hundred nine million, seven hundred seventy-seven thousand, one hundred fifty-four".