1023123400406 has 8 divisors (see below), whose sum is σ = 1563641423424. Its totient is φ = 501909592600.

The previous prime is 1023123400381. The next prime is 1023123400423. The reversal of 1023123400406 is 6040043213201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4826053670 + ... + 4826053881.

It is an arithmetic number, because the mean of its divisors is an integer number (195455177928).

Almost surely, 2^{1023123400406} is an apocalyptic number.

1023123400406 is a deficient number, since it is larger than the sum of its proper divisors (540518023018).

1023123400406 is an equidigital number, since it uses as much as digits as its factorization.

1023123400406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652107606.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1023123400406 its reverse (6040043213201), we get a palindrome (7063166613607).

The spelling of 1023123400406 in words is "one trillion, twenty-three billion, one hundred twenty-three million, four hundred thousand, four hundred six".