1145126423 has 24 divisors (see below), whose sum is σ = 1352584800. Its totient is φ = 969071040.

The previous prime is 1145126407. The next prime is 1145126429. The reversal of 1145126423 is 3246215411.

It is not a de Polignac number, because 1145126423 - 2⁴ = 1145126407 is a prime.

It is a super-2 number, since 2×1145126423² = 2622629049305549858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145126429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4075043 + ... + 4075323.

It is an arithmetic number, because the mean of its divisors is an integer number (56357700).

Almost surely, 2^1145126423 is an apocalyptic number.

1145126423 is a deficient number, since it is larger than the sum of its proper divisors (207458377).

1145126423 is an frugal number, since it uses more digits than its factorization.

1145126423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 397 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1145126423 is about 33839.7166507050. The cubic root of 1145126423 is about 1046.2074587869.

The spelling of 1145126423 in words is "one billion, one hundred forty-five million, one hundred twenty-six thousand, four hundred twenty-three".