1023064172 has 24 divisors (see below), whose sum is σ = 1929228000. Its totient is φ = 471902976.

The previous prime is 1023064169. The next prime is 1023064193. The reversal of 1023064172 is 2714603201.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 101204 + ... + 110852.

It is an arithmetic number, because the mean of its divisors is an integer number (80384500).

Almost surely, 2^1023064172 is an apocalyptic number.

It is an amenable number.

1023064172 is a deficient number, since it is larger than the sum of its proper divisors (906163828).

1023064172 is a wasteful number, since it uses less digits than its factorization.

1023064172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705 (or 11703 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1023064172 is about 31985.3743451597. The cubic root of 1023064172 is about 1007.6296970095.

Adding to 1023064172 its reverse (2714603201), we get a palindrome (3737667373).

The spelling of 1023064172 in words is "one billion, twenty-three million, sixty-four thousand, one hundred seventy-two".