401653023 has 8 divisors (see below), whose sum is σ = 546931968. Its totient is φ = 262071384.

The previous prime is 401653013. The next prime is 401653037. The reversal of 401653023 is 320356104.

It is a happy number.

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

It is not a de Polignac number, because 401653023 - 2⁵ = 401652991 is a prime.

It is a super-2 number, since 2×401653023² = 322650301770077058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401652984 and 401653002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401653013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424161 + ... + 1424442.

It is an arithmetic number, because the mean of its divisors is an integer number (68366496).

Almost surely, 2^401653023 is an apocalyptic number.

401653023 is a deficient number, since it is larger than the sum of its proper divisors (145278945).

401653023 is a wasteful number, since it uses less digits than its factorization.

401653023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848653.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 401653023 is about 20041.2829679140. The cubic root of 401653023 is about 737.8198695957.

The spelling of 401653023 in words is "four hundred one million, six hundred fifty-three thousand, twenty-three".