423157738927 has 12 divisors (see below), whose sum is σ = 536994237096. Its totient is φ = 329733302640.

The previous prime is 423157738921. The next prime is 423157738961. The reversal of 423157738927 is 729837751324.

It is not a de Polignac number, because 423157738927 - 2³¹ = 421010255279 is a prime.

It is a super-2 number, since 2×423157738927² (a number of 24 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 (423157738921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392539108 + ... + 392540185.

It is an arithmetic number, because the mean of its divisors is an integer number (44749519758).

Almost surely, 2^423157738927 is an apocalyptic number.

423157738927 is a deficient number, since it is larger than the sum of its proper divisors (113836498169).

423157738927 is a wasteful number, since it uses less digits than its factorization.

423157738927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785079318 (or 785079311 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 58.

It can be divided in two parts, 423157 and 738927, that added together give a square (1162084 = 1078²).

The spelling of 423157738927 in words is "four hundred twenty-three billion, one hundred fifty-seven million, seven hundred thirty-eight thousand, nine hundred twenty-seven".