1124542623 has 4 divisors (see below), whose sum is σ = 1499390168. Its totient is φ = 749695080.

The previous prime is 1124542543. The next prime is 1124542651. The reversal of 1124542623 is 3262454211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262454211 = 3 ⋅1087484737.

It is not a de Polignac number, because 1124542623 - 2²⁵ = 1090988191 is a prime.

It is a super-2 number, since 2×1124542623² = 2529192221887440258, 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 (1124542663) 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, 187423768 + ... + 187423773.

It is an arithmetic number, because the mean of its divisors is an integer number (374847542).

Almost surely, 2^1124542623 is an apocalyptic number.

1124542623 is a deficient number, since it is larger than the sum of its proper divisors (374847545).

1124542623 is an equidigital number, since it uses as much as digits as its factorization.

1124542623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374847544.

The product of its digits is 11520, while the sum is 30.

The square root of 1124542623 is about 33534.2007956057. The cubic root of 1124542623 is about 1039.9009468655.

Adding to 1124542623 its reverse (3262454211), we get a palindrome (4386996834).

The spelling of 1124542623 in words is "one billion, one hundred twenty-four million, five hundred forty-two thousand, six hundred twenty-three".