402050123 has 8 divisors (see below), whose sum is σ = 406007808. Its totient is φ = 398105064.

The previous prime is 402050111. The next prime is 402050137. The reversal of 402050123 is 321050204.

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

It is a cyclic number.

It is not a de Polignac number, because 402050123 - 2²⁰ = 401001547 is a prime.

It is a super-3 number, since 3×402050123³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402020123) 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, 68690 + ... + 74312.

It is an arithmetic number, because the mean of its divisors is an integer number (50750976).

Almost surely, 2^402050123 is an apocalyptic number.

402050123 is a deficient number, since it is larger than the sum of its proper divisors (3957685).

402050123 is a wasteful number, since it uses less digits than its factorization.

402050123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 402050123 is about 20051.1875708149. The cubic root of 402050123 is about 738.0629415598.

The spelling of 402050123 in words is "four hundred two million, fifty thousand, one hundred twenty-three".