42123233232125 has 32 divisors (see below), whose sum is σ = 55348508117760. Its totient is φ = 31918121928000.

The previous prime is 42123233232121. The next prime is 42123233232137. The reversal of 42123233232125 is 52123233232124.

It is a happy number.

It is not a de Polignac number, because 42123233232125 - 2² = 42123233232121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123233232121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9172835 + ... + 12976415.

It is an arithmetic number, because the mean of its divisors is an integer number (1729640878680).

Almost surely, 2^{42123233232125} is an apocalyptic number.

It is an amenable number.

42123233232125 is a deficient number, since it is larger than the sum of its proper divisors (13225274885635).

42123233232125 is a wasteful number, since it uses less digits than its factorization.

42123233232125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808278 (or 3808268 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

Adding to 42123233232125 its reverse (52123233232124), we get a palindrome (94246466464249).

Subtracting 42123233232125 from its reverse (52123233232124), we obtain a palindrome (9999999999999).

The spelling of 42123233232125 in words is "forty-two trillion, one hundred twenty-three billion, two hundred thirty-three million, two hundred thirty-two thousand, one hundred twenty-five".