23403030035145 has 32 divisors (see below), whose sum is σ = 37732296201600. Its totient is φ = 12385885976064.

The previous prime is 23403030035141. The next prime is 23403030035171. The reversal of 23403030035145 is 54153003030432.

It is not a de Polignac number, because 23403030035145 - 2² = 23403030035141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23403030035141) 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, 1668999 + ... + 7042131.

It is an arithmetic number, because the mean of its divisors is an integer number (1179134256300).

Almost surely, 2^{23403030035145} is an apocalyptic number.

It is an amenable number.

23403030035145 is a deficient number, since it is larger than the sum of its proper divisors (14329266166455).

23403030035145 is a wasteful number, since it uses less digits than its factorization.

23403030035145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375369.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 23403030035145 its reverse (54153003030432), we get a palindrome (77556033065577).

The spelling of 23403030035145 in words is "twenty-three trillion, four hundred three billion, thirty million, thirty-five thousand, one hundred forty-five".