123032525430 has 32 divisors (see below), whose sum is σ = 303258551904. Its totient is φ = 31921952256.

The previous prime is 123032525401. The next prime is 123032525437. The reversal of 123032525430 is 34525230321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032525437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55418947 + ... + 55421166.

It is an arithmetic number, because the mean of its divisors is an integer number (9476829747).

Almost surely, 2^123032525430 is an apocalyptic number.

123032525430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123032525430 is an abundant number, since it is smaller than the sum of its proper divisors (180226026474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123032525430 is a wasteful number, since it uses less digits than its factorization.

123032525430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110840160.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 123032525430 its reverse (34525230321), we get a palindrome (157557755751).

The spelling of 123032525430 in words is "one hundred twenty-three billion, thirty-two million, five hundred twenty-five thousand, four hundred thirty".