1623230145526 has 64 divisors (see below), whose sum is σ = 2893112640000. Its totient is φ = 674730846720.

The previous prime is 1623230145517. The next prime is 1623230145539. The reversal of 1623230145526 is 6255410323261.

It is a super-2 number, since 2×1623230145526² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58377775 + ... + 58405573.

It is an arithmetic number, because the mean of its divisors is an integer number (45204885000).

Almost surely, 2^{1623230145526} is an apocalyptic number.

1623230145526 is a deficient number, since it is larger than the sum of its proper divisors (1269882494474).

1623230145526 is a wasteful number, since it uses less digits than its factorization.

1623230145526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32677.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 1623230145526 its reverse (6255410323261), we get a palindrome (7878640468787).

The spelling of 1623230145526 in words is "one trillion, six hundred twenty-three billion, two hundred thirty million, one hundred forty-five thousand, five hundred twenty-six".