1023003172 has 12 divisors (see below), whose sum is σ = 1797747840. Its totient is φ = 509360936.

The previous prime is 1023003151. The next prime is 1023003173. The reversal of 1023003172 is 2713003201.

It is a super-3 number, since 3×1023003172³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023003173) 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, 534088 + ... + 535999.

It is an arithmetic number, because the mean of its divisors is an integer number (149812320).

Almost surely, 2^1023003172 is an apocalyptic number.

It is an amenable number.

1023003172 is a deficient number, since it is larger than the sum of its proper divisors (774744668).

1023003172 is a wasteful number, since it uses less digits than its factorization.

1023003172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070330 (or 1070328 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1023003172 is about 31984.4207701187. The cubic root of 1023003172 is about 1007.6096700373.

Adding to 1023003172 its reverse (2713003201), we get a palindrome (3736006373).

The spelling of 1023003172 in words is "one billion, twenty-three million, three thousand, one hundred seventy-two".