401356123 has 8 divisors (see below), whose sum is σ = 463235040. Its totient is φ = 340612800.

The previous prime is 401356079. The next prime is 401356139. The reversal of 401356123 is 321653104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401356123 is a prime.

It is a super-2 number, since 2×401356123² = 322173474939182258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401356183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283138 + ... + 284551.

It is an arithmetic number, because the mean of its divisors is an integer number (57904380).

Almost surely, 2^401356123 is an apocalyptic number.

401356123 is a deficient number, since it is larger than the sum of its proper divisors (61878917).

401356123 is a wasteful number, since it uses less digits than its factorization.

401356123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567797.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 401356123 is about 20033.8743881457. The cubic root of 401356123 is about 737.6380271391.

The spelling of 401356123 in words is "four hundred one million, three hundred fifty-six thousand, one hundred twenty-three".