231323101400 has 48 divisors (see below), whose sum is σ = 537868204440. Its totient is φ = 92522016000.

The previous prime is 231323101379. The next prime is 231323101411. The reversal of 231323101400 is 4101323132.

It is a super-3 number, since 3×231323101400³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3052772 + ... + 3127628.

Almost surely, 2^231323101400 is an apocalyptic number.

231323101400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231323101400 is an abundant number, since it is smaller than the sum of its proper divisors (306545103040).

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

231323101400 is a wasteful number, since it uses less digits than its factorization.

231323101400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90324 (or 90315 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231323101400 its reverse (4101323132), we get a palindrome (235424424532).

The spelling of 231323101400 in words is "two hundred thirty-one billion, three hundred twenty-three million, one hundred one thousand, four hundred".