72453431230 has 16 divisors (see below), whose sum is σ = 131760674640. Its totient is φ = 28682595072.

The previous prime is 72453431221. The next prime is 72453431257. The reversal of 72453431230 is 3213435427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37346160 + ... + 37348099.

It is an arithmetic number, because the mean of its divisors is an integer number (8235042165).

Almost surely, 2^72453431230 is an apocalyptic number.

72453431230 is a deficient number, since it is larger than the sum of its proper divisors (59307243410).

72453431230 is a wasteful number, since it uses less digits than its factorization.

72453431230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74694363.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 72453431230 its reverse (3213435427), we get a palindrome (75666866657).

The spelling of 72453431230 in words is "seventy-two billion, four hundred fifty-three million, four hundred thirty-one thousand, two hundred thirty".