123471216454 has 16 divisors (see below), whose sum is σ = 185496784992. Its totient is φ = 61639031808.

The previous prime is 123471216439. The next prime is 123471216469. The reversal of 123471216454 is 454612174321.

It is an interprime number because it is at equal distance from previous prime (123471216439) and next prime (123471216469).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424927 + ... + 3460789.

It is an arithmetic number, because the mean of its divisors is an integer number (11593549062).

Almost surely, 2^123471216454 is an apocalyptic number.

123471216454 is a deficient number, since it is larger than the sum of its proper divisors (62025568538).

123471216454 is a wasteful number, since it uses less digits than its factorization.

123471216454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38511.

The product of its digits is 161280, while the sum is 40.

The spelling of 123471216454 in words is "one hundred twenty-three billion, four hundred seventy-one million, two hundred sixteen thousand, four hundred fifty-four".