234155401503 has 16 divisors (see below), whose sum is σ = 316187473536. Its totient is φ = 154125564320.

The previous prime is 234155401489. The next prime is 234155401507. The reversal of 234155401503 is 305104551432.

It is a cyclic number.

It is not a de Polignac number, because 234155401503 - 2¹² = 234155397407 is a prime.

It is a super-2 number, since 2×234155401503² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234155401507) 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, 1434801 + ... + 1589642.

It is an arithmetic number, because the mean of its divisors is an integer number (19761717096).

Almost surely, 2^234155401503 is an apocalyptic number.

234155401503 is a deficient number, since it is larger than the sum of its proper divisors (82032072033).

234155401503 is a wasteful number, since it uses less digits than its factorization.

234155401503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024774.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 234155401503 its reverse (305104551432), we get a palindrome (539259952935).

The spelling of 234155401503 in words is "two hundred thirty-four billion, one hundred fifty-five million, four hundred one thousand, five hundred three".