231348356448 has 576 divisors, whose sum is σ = 718806122496. Its totient is φ = 64984550400.

The previous prime is 231348356401. The next prime is 231348356507. The reversal of 231348356448 is 844653843132.

It is a super-4 number, since 4×231348356448⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231348356448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1037436465 + ... + 1037436687.

It is an arithmetic number, because the mean of its divisors is an integer number (1247927296).

Almost surely, 2^231348356448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231348356448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359403061248).

231348356448 is an abundant number, since it is smaller than the sum of its proper divisors (487457766048).

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

231348356448 is a wasteful number, since it uses less digits than its factorization.

231348356448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 380 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 51.

The spelling of 231348356448 in words is "two hundred thirty-one billion, three hundred forty-eight million, three hundred fifty-six thousand, four hundred forty-eight".