402221251120423 has 16 divisors (see below), whose sum is σ = 497077290860544. Its totient is φ = 317577158040960.

The previous prime is 402221251120399. The next prime is 402221251120453. The reversal of 402221251120423 is 324021152122204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402221251120423 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 (402221251120453) 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, 35957553063 + ... + 35957564248.

It is an arithmetic number, because the mean of its divisors is an integer number (31067330678784).

Almost surely, 2^{402221251120423} is an apocalyptic number.

402221251120423 is a deficient number, since it is larger than the sum of its proper divisors (94856039740121).

402221251120423 is a wasteful number, since it uses less digits than its factorization.

402221251120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71915117382.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 402221251120423 in words is "four hundred two trillion, two hundred twenty-one billion, two hundred fifty-one million, one hundred twenty thousand, four hundred twenty-three".