420723451004120 has 64 divisors (see below), whose sum is σ = 1093431001024800. Its totient is φ = 143990913710080.

The previous prime is 420723451004081. The next prime is 420723451004159. The reversal of 420723451004120 is 21400154327024.

It is an interprime number because it is at equal distance from previous prime (420723451004081) and next prime (420723451004159).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28123217855 + ... + 28123232814.

Almost surely, 2^{420723451004120} is an apocalyptic number.

420723451004120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420723451004120 is an abundant number, since it is smaller than the sum of its proper divisors (672707550020680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420723451004120 is a wasteful number, since it uses less digits than its factorization.

420723451004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56246450708 (or 56246450704 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 420723451004120 in words is "four hundred twenty trillion, seven hundred twenty-three billion, four hundred fifty-one million, four thousand, one hundred twenty".