90623454000 has 80 divisors (see below), whose sum is σ = 292170035040. Its totient is φ = 24166252800.

The previous prime is 90623453993. The next prime is 90623454007. The reversal of 90623454000 is 45432609.

It is an interprime number because it is at equal distance from previous prime (90623453993) and next prime (90623454007).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×90623454000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90623454007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7545955 + ... + 7557954.

It is an arithmetic number, because the mean of its divisors is an integer number (3652125438).

Almost surely, 2^90623454000 is an apocalyptic number.

It is an amenable number.

90623454000 is an abundant number, since it is smaller than the sum of its proper divisors (201546581040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90623454000 is a wasteful number, since it uses less digits than its factorization.

90623454000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15103935 (or 15103919 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 90623454000 its reverse (45432609), we get a palindrome (90668886609).

The spelling of 90623454000 in words is "ninety billion, six hundred twenty-three million, four hundred fifty-four thousand".