1345252023 has 16 divisors (see below), whose sum is σ = 1993885440. Its totient is φ = 896420952.

The previous prime is 1345252021. The next prime is 1345252039. The reversal of 1345252023 is 3202525431.

It is a happy number.

1345252023 is a `hidden beast` number, since 1 + 3 + 452 + 5 + 202 + 3 = 666.

It is not a de Polignac number, because 1345252023 - 2¹ = 1345252021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345252021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55140 + ... + 75702.

It is an arithmetic number, because the mean of its divisors is an integer number (124617840).

Almost surely, 2^1345252023 is an apocalyptic number.

1345252023 is a deficient number, since it is larger than the sum of its proper divisors (648633417).

1345252023 is a wasteful number, since it uses less digits than its factorization.

1345252023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22995 (or 22989 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1345252023 is about 36677.6774482791. The cubic root of 1345252023 is about 1103.9122463921.

Adding to 1345252023 its reverse (3202525431), we get a palindrome (4547777454).

The spelling of 1345252023 in words is "one billion, three hundred forty-five million, two hundred fifty-two thousand, twenty-three".