1454213923 has 4 divisors (see below), whose sum is σ = 1493517040. Its totient is φ = 1414910808.

The previous prime is 1454213863. The next prime is 1454213927. The reversal of 1454213923 is 3293124541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454213923 is a prime.

It is a super-2 number, since 2×1454213923² = 4229476267694099858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454213927) 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, 19651503 + ... + 19651576.

It is an arithmetic number, because the mean of its divisors is an integer number (373379260).

Almost surely, 2^1454213923 is an apocalyptic number.

1454213923 is a deficient number, since it is larger than the sum of its proper divisors (39303117).

1454213923 is an equidigital number, since it uses as much as digits as its factorization.

1454213923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39303116.

The product of its digits is 25920, while the sum is 34.

The square root of 1454213923 is about 38134.1569068991. The cubic root of 1454213923 is about 1132.9465800778.

The spelling of 1454213923 in words is "one billion, four hundred fifty-four million, two hundred thirteen thousand, nine hundred twenty-three".