402103023 has 32 divisors (see below), whose sum is σ = 682928640. Its totient is φ = 204871680.

The previous prime is 402103007. The next prime is 402103027. The reversal of 402103023 is 320301204.

It is not a de Polignac number, because 402103023 - 2⁴ = 402103007 is a prime.

It is a super-2 number, since 2×402103023² = 323373682211477058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402102993 and 402103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402103027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22858 + ... + 36423.

It is an arithmetic number, because the mean of its divisors is an integer number (21341520).

Almost surely, 2^402103023 is an apocalyptic number.

402103023 is a deficient number, since it is larger than the sum of its proper divisors (280825617).

402103023 is a wasteful number, since it uses less digits than its factorization.

402103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59327.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 402103023 is about 20052.5066512893. The cubic root of 402103023 is about 738.0953105068.

Adding to 402103023 its reverse (320301204), we get a palindrome (722404227).

The spelling of 402103023 in words is "four hundred two million, one hundred three thousand, twenty-three".