523145102 has 8 divisors (see below), whose sum is σ = 784853976. Its totient is φ = 261527112.

The previous prime is 523145101. The next prime is 523145159. The reversal of 523145102 is 201541325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523145101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5813 + ... + 32864.

It is an arithmetic number, because the mean of its divisors is an integer number (98106747).

Almost surely, 2^523145102 is an apocalyptic number.

523145102 is a deficient number, since it is larger than the sum of its proper divisors (261708874).

523145102 is a wasteful number, since it uses less digits than its factorization.

523145102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45442.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 523145102 is about 22872.3654657755. The cubic root of 523145102 is about 805.7631239333.

Adding to 523145102 its reverse (201541325), we get a palindrome (724686427).

The spelling of 523145102 in words is "five hundred twenty-three million, one hundred forty-five thousand, one hundred two".