1455435023 has 4 divisors (see below), whose sum is σ = 1663354320. Its totient is φ = 1247515728.

The previous prime is 1455434999. The next prime is 1455435029. The reversal of 1455435023 is 3205345541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1455435023 - 2¹⁸ = 1455172879 is a prime.

It is a super-2 number, since 2×1455435023² = 4236582212350021058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455435029) 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, 103959638 + ... + 103959651.

It is an arithmetic number, because the mean of its divisors is an integer number (415838580).

Almost surely, 2^1455435023 is an apocalyptic number.

1455435023 is a deficient number, since it is larger than the sum of its proper divisors (207919297).

1455435023 is an equidigital number, since it uses as much as digits as its factorization.

1455435023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207919296.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1455435023 is about 38150.1641280873. The cubic root of 1455435023 is about 1133.2636022168.

The spelling of 1455435023 in words is "one billion, four hundred fifty-five million, four hundred thirty-five thousand, twenty-three".