7457378423 has 16 divisors (see below), whose sum is σ = 8616598560. Its totient is φ = 6378624000.

The previous prime is 7457378399. The next prime is 7457378431. The reversal of 7457378423 is 3248737547.

It is a cyclic number.

It is not a de Polignac number, because 7457378423 - 2⁸ = 7457378167 is a prime.

It is a super-2 number, since 2×7457378423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457378473) 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, 1175123 + ... + 1181451.

It is an arithmetic number, because the mean of its divisors is an integer number (538537410).

Almost surely, 2^7457378423 is an apocalyptic number.

7457378423 is a deficient number, since it is larger than the sum of its proper divisors (1159220137).

7457378423 is a wasteful number, since it uses less digits than its factorization.

7457378423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658.

The product of its digits is 3951360, while the sum is 50.

The square root of 7457378423 is about 86356.1139873721. The cubic root of 7457378423 is about 1953.7188225439.

The spelling of 7457378423 in words is "seven billion, four hundred fifty-seven million, three hundred seventy-eight thousand, four hundred twenty-three".