523151620642 has 32 divisors (see below), whose sum is σ = 909970588800. Its totient is φ = 220936921728.

The previous prime is 523151620601. The next prime is 523151620643. The reversal of 523151620642 is 246026151325.

It is not an unprimeable number, because it can be changed into a prime (523151620643) 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, 126667 + ... + 1030702.

It is an arithmetic number, because the mean of its divisors is an integer number (28436580900).

Almost surely, 2^523151620642 is an apocalyptic number.

523151620642 is a deficient number, since it is larger than the sum of its proper divisors (386818968158).

523151620642 is a wasteful number, since it uses less digits than its factorization.

523151620642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157850.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 523151620642 its reverse (246026151325), we get a palindrome (769177771967).

The spelling of 523151620642 in words is "five hundred twenty-three billion, one hundred fifty-one million, six hundred twenty thousand, six hundred forty-two".