5401931123 has 16 divisors (see below), whose sum is σ = 5618160000. Its totient is φ = 5187796992.

The previous prime is 5401931057. The next prime is 5401931141. The reversal of 5401931123 is 3211391045.

It is a cyclic number.

It is not a de Polignac number, because 5401931123 - 2⁸ = 5401930867 is a prime.

It is a super-2 number, since 2×5401931123² = 58361719715272082258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401931153) 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, 7512758 + ... + 7513476.

It is an arithmetic number, because the mean of its divisors is an integer number (351135000).

Almost surely, 2^5401931123 is an apocalyptic number.

5401931123 is a deficient number, since it is larger than the sum of its proper divisors (216228877).

5401931123 is a wasteful number, since it uses less digits than its factorization.

5401931123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 5401931123 is about 73497.8307366959. The cubic root of 5401931123 is about 1754.6197527400.

The spelling of 5401931123 in words is "five billion, four hundred one million, nine hundred thirty-one thousand, one hundred twenty-three".