423462365021 has 4 divisors (see below), whose sum is σ = 437122441344. Its totient is φ = 409802288700.

The previous prime is 423462364987. The next prime is 423462365041. The reversal of 423462365021 is 120563264324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423462365021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423462365041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6830038115 + ... + 6830038176.

It is an arithmetic number, because the mean of its divisors is an integer number (109280610336).

Almost surely, 2^423462365021 is an apocalyptic number.

It is an amenable number.

423462365021 is a deficient number, since it is larger than the sum of its proper divisors (13660076323).

423462365021 is a wasteful number, since it uses less digits than its factorization.

423462365021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13660076322.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 423462365021 in words is "four hundred twenty-three billion, four hundred sixty-two million, three hundred sixty-five thousand, twenty-one".