400300023 has 8 divisors (see below), whose sum is σ = 533892736. Its totient is φ = 266787000.

The previous prime is 400300007. The next prime is 400300039. The reversal of 400300023 is 320003004.

It is an interprime number because it is at equal distance from previous prime (400300007) and next prime (400300039).

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

It is not a de Polignac number, because 400300023 - 2⁴ = 400300007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400299981 and 400300008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400300093) 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, 7003 + ... + 29148.

It is an arithmetic number, because the mean of its divisors is an integer number (66736592).

Almost surely, 2^400300023 is an apocalyptic number.

400300023 is a deficient number, since it is larger than the sum of its proper divisors (133592713).

400300023 is a wasteful number, since it uses less digits than its factorization.

400300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39845.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 400300023 is about 20007.4991690616. The cubic root of 400300023 is about 736.9904693869.

Adding to 400300023 its reverse (320003004), we get a palindrome (720303027).

The spelling of 400300023 in words is "four hundred million, three hundred thousand, twenty-three".