230273513040 has 120 divisors (see below), whose sum is σ = 737618798304. Its totient is φ = 59425363200.

The previous prime is 230273512993. The next prime is 230273513083. The reversal of 230273513040 is 40315372032.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 230273512989 and 230273513007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268566 + ... + 729845.

Almost surely, 2^230273513040 is an apocalyptic number.

230273513040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230273513040 is an abundant number, since it is smaller than the sum of its proper divisors (507345285264).

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

230273513040 is a wasteful number, since it uses less digits than its factorization.

230273513040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998489 (or 998452 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

Adding to 230273513040 its reverse (40315372032), we get a palindrome (270588885072).

The spelling of 230273513040 in words is "two hundred thirty billion, two hundred seventy-three million, five hundred thirteen thousand, forty".