1451522023 has 8 divisors (see below), whose sum is σ = 1686077600. Its totient is φ = 1223765280.

The previous prime is 1451521993. The next prime is 1451522027. The reversal of 1451522023 is 3202251541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451522023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451522027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699248 + ... + 1700101.

It is an arithmetic number, because the mean of its divisors is an integer number (210759700).

Almost surely, 2^1451522023 is an apocalyptic number.

1451522023 is a deficient number, since it is larger than the sum of its proper divisors (234555577).

1451522023 is an equidigital number, since it uses as much as digits as its factorization.

1451522023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399417.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1451522023 is about 38098.8454287003. The cubic root of 1451522023 is about 1132.2470812840.

Adding to 1451522023 its reverse (3202251541), we get a palindrome (4653773564).

It can be divided in two parts, 145152 and 2023, that multiplied together give a square (293642496 = 17136²).

The spelling of 1451522023 in words is "one billion, four hundred fifty-one million, five hundred twenty-two thousand, twenty-three".