423667862972 has 24 divisors (see below), whose sum is σ = 750469104000. Its totient is φ = 209248919216.

The previous prime is 423667862923. The next prime is 423667862999. The reversal of 423667862972 is 279268766324.

It is a super-2 number, since 2×423667862972² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2094179 + ... + 2287557.

It is an arithmetic number, because the mean of its divisors is an integer number (31269546000).

Almost surely, 2^423667862972 is an apocalyptic number.

It is an amenable number.

423667862972 is a deficient number, since it is larger than the sum of its proper divisors (326801241028).

423667862972 is a wasteful number, since it uses less digits than its factorization.

423667862972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200065 (or 200063 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 62.

The spelling of 423667862972 in words is "four hundred twenty-three billion, six hundred sixty-seven million, eight hundred sixty-two thousand, nine hundred seventy-two".