154311492923 has 16 divisors (see below), whose sum is σ = 178712186880. Its totient is φ = 130502170656.

The previous prime is 154311492877. The next prime is 154311492949. The reversal of 154311492923 is 329294113451.

It is a cyclic number.

It is not a de Polignac number, because 154311492923 - 2¹⁸ = 154311230779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154311492983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707486 + ... + 899532.

It is an arithmetic number, because the mean of its divisors is an integer number (11169511680).

Almost surely, 2^154311492923 is an apocalyptic number.

154311492923 is a deficient number, since it is larger than the sum of its proper divisors (24400693957).

154311492923 is a wasteful number, since it uses less digits than its factorization.

154311492923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193586.

The product of its digits is 233280, while the sum is 44.

The spelling of 154311492923 in words is "one hundred fifty-four billion, three hundred eleven million, four hundred ninety-two thousand, nine hundred twenty-three".