1023413451 has 48 divisors (see below), whose sum is σ = 1518051360. Its totient is φ = 612057600.

The previous prime is 1023413441. The next prime is 1023413471. The reversal of 1023413451 is 1543143201.

It is a happy number.

It is not a de Polignac number, because 1023413451 - 2⁶ = 1023413387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023413441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1702551 + ... + 1703151.

It is an arithmetic number, because the mean of its divisors is an integer number (31626070).

Almost surely, 2^1023413451 is an apocalyptic number.

1023413451 is a deficient number, since it is larger than the sum of its proper divisors (494637909).

1023413451 is a wasteful number, since it uses less digits than its factorization.

1023413451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1023413451 is about 31990.8338590916. The cubic root of 1023413451 is about 1007.7443538279.

Adding to 1023413451 its reverse (1543143201), we get a palindrome (2566556652).

The spelling of 1023413451 in words is "one billion, twenty-three million, four hundred thirteen thousand, four hundred fifty-one".